51545596 has 12 divisors (see below), whose sum is σ = 91218960. Its totient is φ = 25483040.

The previous prime is 51545587. The next prime is 51545597. The reversal of 51545596 is 69554515.

51545596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51545597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72040 + ... + 72751.

It is an arithmetic number, because the mean of its divisors is an integer number (7601580).

Almost surely, 2^51545596 is an apocalyptic number.

It is an amenable number.

51545596 is a deficient number, since it is larger than the sum of its proper divisors (39673364).

51545596 is a wasteful number, since it uses less digits than its factorization.

51545596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144884 (or 144882 counting only the distinct ones).

The product of its digits is 135000, while the sum is 40.

The square root of 51545596 is about 7179.5261682092. The cubic root of 51545596 is about 372.1607102267.

The spelling of 51545596 in words is "fifty-one million, five hundred forty-five thousand, five hundred ninety-six".